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These golden brown algae, that include plankton, are important for water food chains and the production of atmospheric oxygen gas.

These fungal vegetative forms have slender filaments of cytoplasm and nuclei.

Green and purple sulfur bacteria live in anaerobic conditions and produce this photosynthetic pigment.

These intracellular organisms are not transmitted via arthropod vectors and cause severe eye infections and infections in birds (parrot fever).

You are interested in how microbes live in zero gravity on the International Space Station.  You are considered a/n _______________________.

Gram-positive cell walls ___________________________.

These bacteria uses the pigment chlorophyll to perform photosynthesis.

Some protozoa can reproduce sexually using ___________________________, the process of transferring DNA from one cell to another using a tube.

Which of the following is not a characteristic of Sarcodina?

Most bacteria have defined morphologies. One type of morphology is pictured here.